Compo Hakaphos Blau 15-10-15 – Balanced Universal Fertilizer for Stable Growth and Hard Water
Not every stage of a plant’s life requires a specialized growth sprint or a heavy bloom-booster. For many crops, the key to success is consistent, balanced, and reliable nutrition throughout the entire season. Compo Hakaphos Blau 15-10-15 is the ultimate versatile solution in our professional fertilizer range. Engineered specifically to perform under the challenging conditions of hard, calcareous tap water, it ensures that your plants receive optimal nutrition without constant pH maintenance. Available in sizes ranging from the 1 kg retail bag to the 25 kg professional sack.
🔵 Why choose Hakaphos Blau?
This formula is designed for long-term consistency and operational ease. It is the perfect choice for diverse gardens, potted ornamentals, and general container gardening.
-
Hard Water Performance: Contains an advanced acid-buffering system that neutralizes carbonates in tap water, preventing pH spikes in the soil/substrate.
-
Balanced All-Rounder: Provides an equalized NPK ratio, preventing the "stretching" associated with high-nitrogen formulas while maintaining steady, robust growth.
-
Stress Resilience: Promotes compact and sturdy tissue development, making plants better equipped to withstand environmental stress like heat and drought.
Note: While excellent for most stages, switch to Hakaphos Grün for rapid early-season biomass buildup or Hakaphos Rot when focusing on high-demand flowering and harvest quality.
The Hard Water Solution: Why "Blue" is a Professional Favorite
Growers using hard, mineral-rich tap water often struggle with "nutrient lockout," where high pH levels prevent the root system from absorbing essential nutrients. Hakaphos Blau effectively resolves this by acting as a pH stabilizer. As the fertilizer dissolves, it keeps the nutrient solution in a slightly acidic state, ensuring that even in "difficult" water, your plants remain vibrant and well-fed.
With its balanced 15-10-15 ratio, it encourages steady, uniform growth. Plants fed with Hakaphos Blau typically develop thicker stems and a more compact habit, reducing the need for support or pruning. It is the reliable "safety net" for any grower who values predictable results and plant health over complex, multi-phase experimentation.
Key Benefits for All-Round Performance:
- 🛡️ pH-Buffering Effect: Optimizes nutrient availability even in alkaline, calcium-rich water conditions.
- ⚖️ Balanced Habit: Prevents "leggy" growth; produces plants that are structurally sturdy and balanced.
- 🔬 Professional Micronutrient Profile: Includes a fully chelated trace element mix to support long-term vigor and prevent common deficiency symptoms.
Practical Application Guidelines
As a high-purity concentrate, Hakaphos Blau provides exceptional value through precision dosing.
General Garden & Greenhouse
Apply 1.0 gram per liter of water (approx. 10g per 10L) every 1–2 weeks for vegetables, perennials, and general greenhouse crops.
Potted Plants & Heavy Feeders
For large container plants or particularly hungry species, increase dosage to 1.5–2.0 grams per liter during the peak summer months to maintain sustained health.
Technical Specifications
| Parameter |
Specification |
| Manufacturer / Type |
Compo Expert / Balanced Universal NPK Fertilizer |
| Analysis (N-P-K) |
15-10-15 |
| Nitrogen Sources |
6.5% Nitrate N / 8.5% Ammonium N |
| Micronutrients |
Full chelated package (B, Cu, Fe, Mn, Mo, Zn) |
Frequently Asked Questions (FAQ)
-
Does this work with rain water?
Yes, but it shines in tap water. While safe for rain water, the pH-buffering effect is specifically engineered to treat the carbonates found in municipal tap water. If you use exclusively soft rain water, you may find that the soil pH stays slightly lower than usual over time.
-
Is this safe for indoor houseplants?
Yes. Its balanced profile is excellent for foliage plants, ferns, and palms. In indoor environments with lower light, use a lower concentration (0.5–1g per liter) to match the plant's slower metabolic rate.
Product safety information
Manufacturer information:
COMPO EXPERT GmbH
Krögerweg 10
Nordrhein-Westfalen
Münster, Deutschland, 48155
https://www.compo-expert.com/
There are no reviews yet.
